Set contents: Body, box, instruction manual, warranty card are included in the instruction manual
Reinforced waterproof for daily life: 20BAR
Shock-resistant structure that resists shock and vibration
Smartphone link function (world time approx. 300 cities, alarm, timer, hand position correction, time change)
Mobile phone search function
Dual dial world time that can display the time of two cities simultaneously
Target: Men's product introduction G-SHOCK, which continues to evolve in pursuit of toughness, introduces a new model with G-STEEL's first analog display chronograph
Realize analog display with shock-resistant structure on all in-dial
The disc needle, which is the icon placed at the 9 o'clock position, pursues the movement and functional beauty of the needle by adopting a dual coil motor.
In addition to the alarm On / Off function, rotation display with stopwatch and timer, it also serves as a battery indicator
Designed with the jet engine's heavy blade as a motif, we finished the design unique to G-SHOCK by combining the fun of moving the disc needle and the dial, and completed a tough "chronograph"
Developed a new “layer guard structure” with a plastic cushioning part inside the case.
In addition, the module can be made smaller and thinner with high-density mounting technology, realizing 14.1 mm
Improved wearability and watch quality
In addition, in pursuit of accurate time display under any world environment, equipped with a Bluetooth communication function that can acquire accurate time with a single push via a smartphone
Get accurate time information from a time server on the Internet
A tough solar powered by Casio's unique power-saving technology that enables stable driving and has practical functions such as high-brightness LED lights and dual dial world time.
Lineup of GST-B100D using stainless steel muk band and GST-B100 solid case and urethane band
Two models that combine impact resistance and metal texture
A new model from the G-STEEL equipped with a new impact-resistant structure and toughness design and equipped with the first analog display chronograph

・ Shock-resistant structure
・ Tough solar (solar charging system)
・ 20 ATM water resistant function
・ Mobile link function
・ Dual time (with time change function for home time)
・ Stopwatch (1 second, 24 hours total, with split)
・ Timer (set unit: 1 minute, maximum set: 24 hours, measured in 1 second units)
-Time alarm-Battery indicator display-Power saving function (In a dark place, when a certain amount of time has passed, the hand movement is stopped to save power)
・ Date and day display
・ Fully automatic calendar
・ LED light (with super illuminator and afterglow function)
・ Driving time without solar power generation from full charge: When using functions / Approx. 5 months, When saving power / Approx. 24 months * When not linked with a smartphone, normal quartz accuracy (average monthly difference ± 15 seconds)
* Bluetooth is a registered trademark of Bluetooth SIG, Inc.
* "IPhone"
is a trademark or registered trademark of Apple Inc. registered in the United States and other countries.
* "Android"
and "Android logo"
are trademarks or registered trademarks of Google Inc.
* Other company names and product names are trademarks or registered trademarks of each company.
* GST-B100D is certified by the Japanese Radio Law.
* The smartphone link function depends on the specifications of the mobile phone body and the service of the telecommunications carrier in the country of use.
Brand introduction G-SHOCK has built a new concept of toughness on watches.
It all started with a developer's passion for creating a watch that would not break even if dropped, and a reckless challenge that overturned the common sense of the time.
Over 200 prototypes have been repeated, and about two years have been spent, and the shock-resistant structure has been completed.
It is the birth of technology to play the core of toughness
Since then, G-SHOCK has continued to evolve endlessly
Structure, material, function
Pursuing further toughness in every aspect

Model Number: GST-B100D-1AJF
GROUP: GST-B100D